The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 2012
Filed:
Jun. 25, 2010
Zhiquan Yi, Shenzhen, CN;
Hongming Chen, Shenzhen, CN;
Guihua LI, Shenzhen, CN;
Qingchun Shen, Shenzhen, CN;
Zhiquan Yi, Shenzhen, CN;
Hongming Chen, Shenzhen, CN;
Guihua Li, Shenzhen, CN;
Qingchun Shen, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A call control method, a communication system, and relevant devices are provided so that communications can be implemented under different network conditions based on the same number. The method includes: receiving a call request of a calling terminal, where the call request carries a called terminal number; querying a Home Location Register (HLR) of a called terminal according to the called terminal number; obtaining a Supplementary Service Code (SS_Code) from the HLR, where the SS_Code carries a Mobile Station International ISDN Number (MSISDN)-based IP Multimedia Subsystem (IMS) service identifier; and triggering an Application Server (AS) to implement an MSISDN-based IMS service according to the MSISDN-based IMS service identifier. A communication system and relevant devices are also provided.